America's oldest Italian restaurant is a San Francisco institution.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

Standing in for the first ship to navigate the Northwest Passage.

An overlooked and unassuming engineering marvel.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Wayne Newton's sprawling estate is now open for visitors to catch a glimpse of his "heart and soul."

Temporary Burning Man sculpture made of two 18-wheelers.

An enormous illuminated figure dances on the Las Vegas strip.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

A giant open-air sculpture made of over 200 full-sized boats.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

A new kind of theme park for adults off the Las Vegas Strip.

A collection of haunted objects and macabre oddities under one roof.